Fallout from the Nuclear Explosion of 16 October 1964

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Science  12 Mar 1965:
Vol. 147, Issue 3663, pp. 1284-1286
DOI: 10.1126/science.147.3663.1284


Measurements of the concentrations of 20 fission products in a sample of rain collected at Fayetteville, Arkansas, on 26 October 1964, yielded two "mass-yield" curves; one for fresh debris from the Chinese nuclear explosion, and another for older debris. The former curve resembled the mass-yield curve for neutron-induced fission of uranium-235.